ACQUISITIONS - ACQUISITIONS (Details) (USD $) In Millions, unless otherwise specified		3 Months Ended	12 Months Ended	0 Months Ended	9 Months Ended	0 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended		9 Months Ended
	Sep. 30, 2012	Mar. 14, 2011 RECO, LLC [Member]	Dec. 31, 2011 RECO, LLC [Member]	Jan. 03, 2012 RS Electronics [Member]	Sep. 30, 2012 RS Electronics [Member]	Jul. 05, 2012 Trydor Industries (Canada), Ltd. [Member]	Dec. 31, 2011 Trydor Industries (Canada), Ltd. [Member]	Jul. 10, 2012 Conney Safety Products, LLC [Member]	Dec. 31, 2011 Conney Safety Products, LLC [Member]	Sep. 30, 2012 Customer Relationships [Member]	Sep. 30, 2012 Customer Relationships [Member] Minimum [Member] Y	Sep. 30, 2012 Customer Relationships [Member] Maximum [Member] Y	Sep. 30, 2012 Supplier Relationships [Member] Y	Sep. 30, 2012 Trademarks [Member] Minimum [Member] Y	Sep. 30, 2012 Trademarks [Member] Maximum [Member] Y
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition		March 14, 2011		January 3, 2012		July 5, 2012		July 10, 2012
Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period			$ 25		$ 60		$ 35		$ 85
Business Acquisition, Purchase Price Allocation, Goodwill Amount	114.9	6.0
Business Acquisition, Purchase Price Allocation, Intangible Assets	57.0
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets										49.2			2.7
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life											10	12	10	4	15
Acquired Intangible Asset, Trademark	$ 5.1